exobiology

The debate over whether fossilized traces of microbial life were found in meteorites from Mars is reexamined in this informative and highly readable account with 16 pages of new photographs.

Host Bill Nye explores the question of whether extraterrestrial life exists, and looks at how scientists search for life in outer space.

Combines science and science fiction to speculate on how extraterrestrial life might have evolved in different environments.

Discusses the announcement in 1996 of the discovery of ancient life-forms on Mars, found in a meteorite on Antactica in 1984, and details the controversy that the discovery set off and its scientific and philosophical implications.

Presents a short study of the inner and outer planets of the solar system and their moons, and discusses what would be necessary in order for them to sustain life.

Traces the emergence of life on Earth and throughout the solar system, discusses the factors neccessary for the development of microorganisms on Earth, and considers the possibility of life on other planets.

Examines the biodiversity of life on earth, the importance of all species, and how the destruction of habitats is causing setbacks.

Explains how scientists search for life in other parts of the universe, discussing alien life, exobiology, interstellar contact, spacecraft missions, and other related topics.

Examines the debate over whether life exists on Mars, focusing on the work of researcher Dr. Gilbert V. Levin, who claims that the biology experiments of the 1976 Viking Mission to Mars revealed the existence of living miccroorganisms in the soil of the planet, and explores the question of why NASA might want to hide the truth.

Explores the possibility that life on earth is more unique than originally understood and suggests that life on other planets may be less likely than originally thought.